The reaction of 7‐alkyl(allyl,phenyl)‐1,3,5‐cycloheptatrienes with alkynes and allenes, catalyzed by the two‐component Ti(acac)2Cl2–Et2AlCl system, resulting in the formation of substituted bicyclo[4.2.1]nona‐2,4‐dienes and bicyclo[4.2.1]nona‐2,4,7‐trienes in up to 90 % yield, was accomplished. The structures of the obtained compounds were confirmed by X‐ray diffraction and by 1H and 13C NMR spectroscopic analysis.